Caffeine levels per serving ranged from about 6 milligrams to 242 milligrams per serving—and some containers have more than one serving. The highest level was in 5-hour Energy Extra Strength ...

Horror stories frequently pop up in the media about the amount of caffeine ... 5 minutes) 53.8 (200) 26.9 Relentless 162.6 (500) 32.5 No Fear 203.3 (473) 43.0 Red Bull 75.0 (250) 30.0 5 hour ...

Using the calculated area and a calibration curve, students will be able to determine the mg/mL of caffeine in the beverage. Caffeine has been used for centuries to help mankind stay awake and gain ...